please answer its important and i need your help
These are about periodic table please dont copy from net.
okay so here in the question its only talking about first 20 elements
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Answered by
1
Explanation:
members:
hydrogen
lithium
sodium
potassium
rubidium
cesium
francium
characteristics :
They are all soft, silver metals. Due to their low ionization energy, these metals have low melting points and are highly reactive.
Answered by
1
the members of group 1-A are :- lithium , sodium , potassium, Rubidium , cesium , Francium.
2ans:- they are good conductor of heat and electricity. they have 1 electron in their outer shell ex:- electronic configuration of lithium is 2s^1 and potassium has 4s^1 . they have lustre. All alkali except hydrogen are solid at room temperature.
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